145925164 has 48 divisors (see below), whose sum is σ = 322914816. Its totient is φ = 56044800.

The previous prime is 145925141. The next prime is 145925173. The reversal of 145925164 is 461529541.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18532 + ... + 25204.

It is an arithmetic number, because the mean of its divisors is an integer number (6727392).

Almost surely, 2^145925164 is an apocalyptic number.

145925164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145925164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161457408).

145925164 is an abundant number, since it is smaller than the sum of its proper divisors (176989652).

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

145925164 is a wasteful number, since it uses less digits than its factorization.

145925164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6766 (or 6764 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 145925164 is about 12079.9488409513. The cubic root of 145925164 is about 526.4737595774.

The spelling of 145925164 in words is "one hundred forty-five million, nine hundred twenty-five thousand, one hundred sixty-four".