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145152038 = 2223325453
BaseRepresentation
bin10001010011011…
…01100000100110
3101010010111011102
420221231200212
5244124331123
622223040102
73411525533
oct1051554046
9333114142
10145152038
1174a30969
1240740032
13240c23a5
14153c5d8a
15cb23028
hex8a6d826

145152038 has 8 divisors (see below), whose sum is σ = 218705088. Its totient is φ = 72250344.

The previous prime is 145152037. The next prime is 145152043. The reversal of 145152038 is 830251541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1451520382 = 42138228271106888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145152038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145152037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162281 + ... + 163172.

It is an arithmetic number, because the mean of its divisors is an integer number (27338136).

Almost surely, 2145152038 is an apocalyptic number.

145152038 is a deficient number, since it is larger than the sum of its proper divisors (73553050).

145152038 is a wasteful number, since it uses less digits than its factorization.

145152038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325678.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 145152038 is about 12047.9059591283. The cubic root of 145152038 is about 525.5423426479.

The spelling of 145152038 in words is "one hundred forty-five million, one hundred fifty-two thousand, thirty-eight".

Divisors: 1 2 223 446 325453 650906 72576019 145152038