155004254 has 16 divisors (see below), whose sum is σ = 235435200. Its totient is φ = 76529664.

The previous prime is 155004251. The next prime is 155004257. The reversal of 155004254 is 452400551.

It is an interprime number because it is at equal distance from previous prime (155004251) and next prime (155004257).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155004251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148667 + ... + 149705.

It is an arithmetic number, because the mean of its divisors is an integer number (14714700).

Almost surely, 2^155004254 is an apocalyptic number.

155004254 is a deficient number, since it is larger than the sum of its proper divisors (80430946).

155004254 is a wasteful number, since it uses less digits than its factorization.

155004254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 155004254 is about 12450.0704415678. The cubic root of 155004254 is about 537.1734496752.

The spelling of 155004254 in words is "one hundred fifty-five million, four thousand, two hundred fifty-four".