145529232090 has 64 divisors (see below), whose sum is σ = 381606049152. Its totient is φ = 35225734400.

The previous prime is 145529232047. The next prime is 145529232103. The reversal of 145529232090 is 90232925541.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122181 + ... + 553160.

It is an arithmetic number, because the mean of its divisors is an integer number (5962594518).

Almost surely, 2^145529232090 is an apocalyptic number.

145529232090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145529232090 is an abundant number, since it is smaller than the sum of its proper divisors (236076817062).

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

145529232090 is a wasteful number, since it uses less digits than its factorization.

145529232090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676015.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 145529232090 in words is "one hundred forty-five billion, five hundred twenty-nine million, two hundred thirty-two thousand, ninety".