145298208 has 48 divisors (see below), whose sum is σ = 416084256. Its totient is φ = 44029440.

The previous prime is 145298173. The next prime is 145298221. The reversal of 145298208 is 802892541.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×145298208² = 42223138496022528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67741 + ... + 69852.

It is an arithmetic number, because the mean of its divisors is an integer number (8668422).

Almost surely, 2^145298208 is an apocalyptic number.

It is an amenable number.

145298208 is an abundant number, since it is smaller than the sum of its proper divisors (270786048).

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

145298208 is a wasteful number, since it uses less digits than its factorization.

145298208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137617 (or 137609 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 145298208 is about 12053.9706321195. The cubic root of 145298208 is about 525.7186928022.

The spelling of 145298208 in words is "one hundred forty-five million, two hundred ninety-eight thousand, two hundred eight".