155414250 has 48 divisors (see below), whose sum is σ = 420246216. Its totient is φ = 41443200.

The previous prime is 155414249. The next prime is 155414257. The reversal of 155414250 is 52414551.

It can be written as a sum of positive squares in 4 ways, for example, as 53626329 + 101787921 = 7323^2 + 10089^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (155414257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32287 + ... + 36786.

Almost surely, 2^155414250 is an apocalyptic number.

155414250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155414250 is an abundant number, since it is smaller than the sum of its proper divisors (264831966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155414250 is a wasteful number, since it uses less digits than its factorization.

155414250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69096 (or 69083 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 155414250 is about 12466.5251774502. The cubic root of 155414250 is about 537.6466518893.

It can be divided in two parts, 15541 and 4250, that added together give a palindrome (19791).

The spelling of 155414250 in words is "one hundred fifty-five million, four hundred fourteen thousand, two hundred fifty".