155201941 has 4 divisors (see below), whose sum is σ = 155607552. Its totient is φ = 154796332.

The previous prime is 155201929. The next prime is 155201983. The reversal of 155201941 is 149102551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 155201941 - 2¹³ = 155193749 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 (155201911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202231 + ... + 202996.

It is an arithmetic number, because the mean of its divisors is an integer number (38901888).

Almost surely, 2^155201941 is an apocalyptic number.

It is an amenable number.

155201941 is a deficient number, since it is larger than the sum of its proper divisors (405611).

155201941 is an equidigital number, since it uses as much as digits as its factorization.

155201941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405610.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 155201941 is about 12458.0071038670. The cubic root of 155201941 is about 537.4017167332.

The spelling of 155201941 in words is "one hundred fifty-five million, two hundred one thousand, nine hundred forty-one".