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145485116 = 22721747929
BaseRepresentation
bin10001010101111…
…10110100111100
3101010202102001122
420222332310330
5244221010431
622234130112
73414413600
oct1052766474
9333672048
10145485116
1175139137
1240880938
13241aab8a
1415471500
15cb8ba7b
hex8abed3c

145485116 has 72 divisors (see below), whose sum is σ = 320604480. Its totient is φ = 57372672.

The previous prime is 145485079. The next prime is 145485169. The reversal of 145485116 is 611584541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156140 + ... + 157068.

It is an arithmetic number, because the mean of its divisors is an integer number (4452840).

Almost surely, 2145485116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145485116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160302240).

145485116 is an abundant number, since it is smaller than the sum of its proper divisors (175119364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145485116 is a wasteful number, since it uses less digits than its factorization.

145485116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 1002 counting only the distinct ones).

The product of its digits is 19200, while the sum is 35.

The square root of 145485116 is about 12061.7211043864. The cubic root of 145485116 is about 525.9440200272.

The spelling of 145485116 in words is "one hundred forty-five million, four hundred eighty-five thousand, one hundred sixteen".

Divisors: 1 2 4 7 14 17 28 34 47 49 68 94 98 119 188 196 238 329 476 658 799 833 929 1316 1598 1666 1858 2303 3196 3332 3716 4606 5593 6503 9212 11186 13006 15793 22372 26012 31586 39151 43663 45521 63172 78302 87326 91042 110551 156604 174652 182084 221102 305641 442204 611282 742271 773857 1222564 1484542 1547714 2139487 2969084 3095428 4278974 5195897 8557948 10391794 20783588 36371279 72742558 145485116