155002455 has 12 divisors (see below), whose sum is σ = 268671000. Its totient is φ = 82667952.

The previous prime is 155002453. The next prime is 155002457. The reversal of 155002455 is 554200551.

It is an interprime number because it is at equal distance from previous prime (155002453) and next prime (155002457).

It is not a de Polignac number, because 155002455 - 2¹ = 155002453 is a prime.

It is a super-2 number, since 2×155002455² = 48051522112054050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155002453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1722205 + ... + 1722294.

It is an arithmetic number, because the mean of its divisors is an integer number (22389250).

Almost surely, 2^155002455 is an apocalyptic number.

155002455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155002455 is a deficient number, since it is larger than the sum of its proper divisors (113668545).

155002455 is a wasteful number, since it uses less digits than its factorization.

155002455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444510 (or 3444507 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 155002455 is about 12449.9981927710. The cubic root of 155002455 is about 537.1713714983.

It can be divided in two parts, 15500 and 2455, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 155002455 in words is "one hundred fifty-five million, two thousand, four hundred fifty-five".