155038464 has 108 divisors (see below), whose sum is σ = 510926416. Its totient is φ = 44292096.

The previous prime is 155038463. The next prime is 155038493. The reversal of 155038464 is 464830551.

It is a happy number.

155038464 is a `hidden beast` number, since 15 + 503 + 84 + 64 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (155038463) 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, 11322 + ... + 20934.

Almost surely, 2^155038464 is an apocalyptic number.

155038464 is a gapful number since it is divisible by the number (14) 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 155038464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255463208).

155038464 is an abundant number, since it is smaller than the sum of its proper divisors (355887952).

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

155038464 is an equidigital number, since it uses as much as digits as its factorization.

155038464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9642 (or 9625 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 155038464 is about 12451.4442535796. Note that the first 3 decimals coincide. The cubic root of 155038464 is about 537.2129654766.

The spelling of 155038464 in words is "one hundred fifty-five million, thirty-eight thousand, four hundred sixty-four".