145152027 has 32 divisors (see below), whose sum is σ = 221875200. Its totient is φ = 93736224.

The previous prime is 145152023. The next prime is 145152037. The reversal of 145152027 is 720251541.

145152027 is a `hidden beast` number, since 1 + 451 + 5 + 202 + 7 = 666.

It is not a de Polignac number, because 145152027 - 2² = 145152023 is a prime.

It is a super-2 number, since 2×145152027² = 42138221884417458, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (145152023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135249 + ... + 136317.

It is an arithmetic number, because the mean of its divisors is an integer number (6933600).

Almost surely, 2^145152027 is an apocalyptic number.

145152027 is a deficient number, since it is larger than the sum of its proper divisors (76723173).

145152027 is a wasteful number, since it uses less digits than its factorization.

145152027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1226 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 145152027 is about 12047.9055026175. The cubic root of 145152027 is about 525.5423293723.

The spelling of 145152027 in words is "one hundred forty-five million, one hundred fifty-two thousand, twenty-seven".