145398210 has 32 divisors (see below), whose sum is σ = 351628992. Its totient is φ = 38475840.

The previous prime is 145398191. The next prime is 145398251. The reversal of 145398210 is 12893541.

It is a super-2 number, since 2×145398210² = 42281278942408200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14569 + ... + 22428.

It is an arithmetic number, because the mean of its divisors is an integer number (10988406).

Almost surely, 2^145398210 is an apocalyptic number.

145398210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145398210 is an abundant number, since it is smaller than the sum of its proper divisors (206230782).

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

145398210 is a wasteful number, since it uses less digits than its factorization.

145398210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37138.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 145398210 is about 12058.1180123600. The cubic root of 145398210 is about 525.8392743861.

The spelling of 145398210 in words is "one hundred forty-five million, three hundred ninety-eight thousand, two hundred ten".