155041451 has 4 divisors (see below), whose sum is σ = 155690400. Its totient is φ = 154392504.

The previous prime is 155041441. The next prime is 155041457. The reversal of 155041451 is 154140551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154140551 = 743 ⋅207457.

It is a cyclic number.

It is not a de Polignac number, because 155041451 - 2¹⁴ = 155025067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155041451.

It is not an unprimeable number, because it can be changed into a prime (155041457) 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, 324116 + ... + 324593.

It is an arithmetic number, because the mean of its divisors is an integer number (38922600).

Almost surely, 2^155041451 is an apocalyptic number.

155041451 is a deficient number, since it is larger than the sum of its proper divisors (648949).

155041451 is an equidigital number, since it uses as much as digits as its factorization.

155041451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648948.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 155041451 is about 12451.5641989270. The cubic root of 155041451 is about 537.2164154696.

The spelling of 155041451 in words is "one hundred fifty-five million, forty-one thousand, four hundred fifty-one".