145156864 has 72 divisors (see below), whose sum is σ = 306845280. Its totient is φ = 68395008.

The previous prime is 145156859. The next prime is 145156867. The reversal of 145156864 is 468651541.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (145156867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523894 + ... + 524170.

It is an arithmetic number, because the mean of its divisors is an integer number (4261740).

Almost surely, 2^145156864 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 145156864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153422640).

145156864 is an abundant number, since it is smaller than the sum of its proper divisors (161688416).

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

145156864 is an equidigital number, since it uses as much as digits as its factorization.

145156864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 391 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 145156864 is about 12048.1062412314. The cubic root of 145156864 is about 525.5481669759.

The spelling of 145156864 in words is "one hundred forty-five million, one hundred fifty-six thousand, eight hundred sixty-four".