155274541 has 4 divisors (see below), whose sum is σ = 162025632. Its totient is φ = 148523452.

The previous prime is 155274529. The next prime is 155274551. The reversal of 155274541 is 145472551.

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 155274541 - 2¹¹ = 155272493 is a prime.

It is a super-2 number, since 2×155274541² = 48220366165521362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155274497 and 155274506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155274551) 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, 3375511 + ... + 3375556.

It is an arithmetic number, because the mean of its divisors is an integer number (40506408).

Almost surely, 2^155274541 is an apocalyptic number.

It is an amenable number.

155274541 is a deficient number, since it is larger than the sum of its proper divisors (6751091).

155274541 is an equidigital number, since it uses as much as digits as its factorization.

155274541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751090.

The product of its digits is 28000, while the sum is 34.

The square root of 155274541 is about 12460.9205518694. The cubic root of 155274541 is about 537.4854985091.

The spelling of 155274541 in words is "one hundred fifty-five million, two hundred seventy-four thousand, five hundred forty-one".