155542632 has 32 divisors (see below), whose sum is σ = 444408000. Its totient is φ = 44440704.

The previous prime is 155542627. The next prime is 155542637. The reversal of 155542632 is 236245551.

It is an interprime number because it is at equal distance from previous prime (155542627) and next prime (155542637).

It is a junction number, because it is equal to n+sod(n) for n = 155542593 and 155542602.

It is not an unprimeable number, because it can be changed into a prime (155542637) 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, 462757 + ... + 463092.

It is an arithmetic number, because the mean of its divisors is an integer number (13887750).

Almost surely, 2^155542632 is an apocalyptic number.

155542632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155542632 is an abundant number, since it is smaller than the sum of its proper divisors (288865368).

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

155542632 is a wasteful number, since it uses less digits than its factorization.

155542632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925865 (or 925861 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The square root of 155542632 is about 12471.6731836590. The cubic root of 155542632 is about 537.7946545233.

The spelling of 155542632 in words is "one hundred fifty-five million, five hundred forty-two thousand, six hundred thirty-two".