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145134052 = 2279835273
BaseRepresentation
bin10001010011010…
…01000111100100
3101010002120111021
420221221013210
5244123242202
622222420524
73411422230
oct1051510744
9333076437
10145134052
1174a193a8
1240731744
13240b714b
14153bd5c0
15cb1ca37
hex8a691e4

145134052 has 24 divisors (see below), whose sum is σ = 290618496. Its totient is φ = 62125248.

The previous prime is 145134023. The next prime is 145134053. The reversal of 145134052 is 250431541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145134053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24888 + ... + 30160.

It is an arithmetic number, because the mean of its divisors is an integer number (12109104).

Almost surely, 2145134052 is an apocalyptic number.

It is an amenable number.

145134052 is an abundant number, since it is smaller than the sum of its proper divisors (145484444).

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

145134052 is a wasteful number, since it uses less digits than its factorization.

145134052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6267 (or 6265 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 145134052 is about 12047.1594992347. The cubic root of 145134052 is about 525.5206348461.

Adding to 145134052 its reverse (250431541), we get a palindrome (395565593).

The spelling of 145134052 in words is "one hundred forty-five million, one hundred thirty-four thousand, fifty-two".

Divisors: 1 2 4 7 14 28 983 1966 3932 5273 6881 10546 13762 21092 27524 36911 73822 147644 5183359 10366718 20733436 36283513 72567026 145134052