145555137400 has 48 divisors (see below), whose sum is σ = 338598406440. Its totient is φ = 58190620800.

The previous prime is 145555137353. The next prime is 145555137439. The reversal of 145555137400 is 4731555541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176667 + ... + 567733.

Almost surely, 2^145555137400 is an apocalyptic number.

145555137400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145555137400 is an abundant number, since it is smaller than the sum of its proper divisors (193043269040).

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

145555137400 is a wasteful number, since it uses less digits than its factorization.

145555137400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392944 (or 392935 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 145555137400 in words is "one hundred forty-five billion, five hundred fifty-five million, one hundred thirty-seven thousand, four hundred".