155650248 has 112 divisors (see below), whose sum is σ = 471454620. Its totient is φ = 47869056.

The previous prime is 155650237. The next prime is 155650259. The reversal of 155650248 is 842056551.

It is an interprime number because it is at equal distance from previous prime (155650237) and next prime (155650259).

It can be written as a sum of positive squares in 2 ways, for example, as 150258564 + 5391684 = 12258^2 + 2322^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 74790 + ... + 76842.

Almost surely, 2^155650248 is an apocalyptic number.

155650248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155650248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235727310).

155650248 is an abundant number, since it is smaller than the sum of its proper divisors (315804372).

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

155650248 is a wasteful number, since it uses less digits than its factorization.

155650248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090 (or 2071 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 155650248 is about 12475.9868547542. The cubic root of 155650248 is about 537.9186547549.

The spelling of 155650248 in words is "one hundred fifty-five million, six hundred fifty thousand, two hundred forty-eight".