145558632 has 32 divisors (see below), whose sum is σ = 365328000. Its totient is φ = 48328704.

The previous prime is 145558631. The next prime is 145558649. The reversal of 145558632 is 236855541.

It is a super-2 number, since 2×145558632² = 42374630699422848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145558631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5632 + ... + 17967.

It is an arithmetic number, because the mean of its divisors is an integer number (11416500).

Almost surely, 2^145558632 is an apocalyptic number.

145558632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145558632 is an abundant number, since it is smaller than the sum of its proper divisors (219769368).

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

145558632 is a wasteful number, since it uses less digits than its factorization.

145558632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23865 (or 23861 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 145558632 is about 12064.7682116152. The cubic root of 145558632 is about 526.0325944709.

The spelling of 145558632 in words is "one hundred forty-five million, five hundred fifty-eight thousand, six hundred thirty-two".