155542371 has 8 divisors (see below), whose sum is σ = 207538944. Its totient is φ = 103620360.

The previous prime is 155542357. The next prime is 155542381. The reversal of 155542371 is 173245551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155542371 - 2⁷ = 155542243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155542301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13575 + ... + 22256.

It is an arithmetic number, because the mean of its divisors is an integer number (25942368).

Almost surely, 2^155542371 is an apocalyptic number.

155542371 is a deficient number, since it is larger than the sum of its proper divisors (51996573).

155542371 is a wasteful number, since it uses less digits than its factorization.

155542371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37281.

The product of its digits is 21000, while the sum is 33.

The square root of 155542371 is about 12471.6627199424. The cubic root of 155542371 is about 537.7943537172.

The spelling of 155542371 in words is "one hundred fifty-five million, five hundred forty-two thousand, three hundred seventy-one".