145903300 has 36 divisors (see below), whose sum is σ = 323982736. Its totient is φ = 57002400.

The previous prime is 145903271. The next prime is 145903301. The reversal of 145903300 is 3309541.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (145903301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12666 + ... + 21265.

Almost surely, 2^145903300 is an apocalyptic number.

145903300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145903300 is an abundant number, since it is smaller than the sum of its proper divisors (178079436).

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

145903300 is a wasteful number, since it uses less digits than its factorization.

145903300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33988 (or 33981 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 145903300 is about 12079.0438363308. The cubic root of 145903300 is about 526.4474643703.

The spelling of 145903300 in words is "one hundred forty-five million, nine hundred three thousand, three hundred".