354401455 has 16 divisors (see below), whose sum is σ = 441335808. Its totient is φ = 272916000.

The previous prime is 354401419. The next prime is 354401477. The reversal of 354401455 is 554104453.

It is a happy number.

It is not a de Polignac number, because 354401455 - 2¹⁵ = 354368687 is a prime.

It is a super-2 number, since 2×354401455² = 251200782612234050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23620 + ... + 35590.

It is an arithmetic number, because the mean of its divisors is an integer number (27583488).

Almost surely, 2^354401455 is an apocalyptic number.

354401455 is a deficient number, since it is larger than the sum of its proper divisors (86934353).

354401455 is a wasteful number, since it uses less digits than its factorization.

354401455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12198.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 354401455 is about 18825.5532455224. The cubic root of 354401455 is about 707.6717060053.

The spelling of 354401455 in words is "three hundred fifty-four million, four hundred one thousand, four hundred fifty-five".