145358532 has 72 divisors (see below), whose sum is σ = 402161760. Its totient is φ = 43902720.

The previous prime is 145358519. The next prime is 145358557. The reversal of 145358532 is 235853541.

145358532 is a `hidden beast` number, since 1 + 45 + 3 + 585 + 32 = 666.

It is a super-2 number, since 2×145358532² = 42258205650390048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234519 + ... + 235137.

It is an arithmetic number, because the mean of its divisors is an integer number (5585580).

Almost surely, 2^145358532 is an apocalyptic number.

145358532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145358532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201080880).

145358532 is an abundant number, since it is smaller than the sum of its proper divisors (256803228).

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

145358532 is a wasteful number, since it uses less digits than its factorization.

145358532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233 (or 1228 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 145358532 is about 12056.4726184734. The cubic root of 145358532 is about 525.7914376007.

The spelling of 145358532 in words is "one hundred forty-five million, three hundred fifty-eight thousand, five hundred thirty-two".