155641357 has 8 divisors (see below), whose sum is σ = 156854880. Its totient is φ = 154432080.

The previous prime is 155641327. The next prime is 155641361. The reversal of 155641357 is 753146551.

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

It is a cyclic number.

It is not a de Polignac number, because 155641357 - 2¹⁹ = 155117069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155641327) 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, 122994 + ... + 124252.

It is an arithmetic number, because the mean of its divisors is an integer number (19606860).

Almost surely, 2^155641357 is an apocalyptic number.

It is an amenable number.

155641357 is a deficient number, since it is larger than the sum of its proper divisors (1213523).

155641357 is a wasteful number, since it uses less digits than its factorization.

155641357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123.

The product of its digits is 63000, while the sum is 37.

The square root of 155641357 is about 12475.6305251478. The cubic root of 155641357 is about 537.9084122917.

The spelling of 155641357 in words is "one hundred fifty-five million, six hundred forty-one thousand, three hundred fifty-seven".