145377400 has 48 divisors (see below), whose sum is σ = 386292240. Its totient is φ = 49843200.

The previous prime is 145377391. The next prime is 145377433. The reversal of 145377400 is 4773541.

It is a super-2 number, since 2×145377400² = 42269176861520000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 50521 + ... + 53320.

It is an arithmetic number, because the mean of its divisors is an integer number (8047755).

Almost surely, 2^145377400 is an apocalyptic number.

145377400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145377400 is an abundant number, since it is smaller than the sum of its proper divisors (240914840).

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

145377400 is a wasteful number, since it uses less digits than its factorization.

145377400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103864 (or 103855 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 145377400 is about 12057.2550773383. The cubic root of 145377400 is about 525.8141864170.

The spelling of 145377400 in words is "one hundred forty-five million, three hundred seventy-seven thousand, four hundred".