155286451 has 2 divisors, whose sum is σ = 155286452. Its totient is φ = 155286450.

The previous prime is 155286431. The next prime is 155286479. The reversal of 155286451 is 154682551.

It is a weak prime.

It is an emirp because it is prime and its reverse (154682551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155286451 - 2⁷ = 155286323 is a prime.

It is a super-2 number, since 2×155286451² = 48227763728350802, which contains 22 as substring.

It is equal to p_8724763 and since 155286451 and 8724763 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155286451.

It is not a weakly prime, because it can be changed into another prime (155286401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77643225 + 77643226.

It is an arithmetic number, because the mean of its divisors is an integer number (77643226).

Almost surely, 2^155286451 is an apocalyptic number.

155286451 is a deficient number, since it is larger than the sum of its proper divisors (1).

155286451 is an equidigital number, since it uses as much as digits as its factorization.

155286451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48000, while the sum is 37.

The square root of 155286451 is about 12461.3984367727. The cubic root of 155286451 is about 537.4992403811.

The spelling of 155286451 in words is "one hundred fifty-five million, two hundred eighty-six thousand, four hundred fifty-one".