155114040 has 128 divisors (see below), whose sum is σ = 491054400. Its totient is φ = 39183872.

The previous prime is 155114039. The next prime is 155114041. The reversal of 155114040 is 40411551.

It is an interprime number because it is at equal distance from previous prime (155114039) and next prime (155114041).

It is a junction number, because it is equal to n+sod(n) for n = 155113998 and 155114016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155114041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2926654 + ... + 2926706.

Almost surely, 2^155114040 is an apocalyptic number.

155114040 is a gapful number since it is divisible by the number (10) 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 155114040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245527200).

155114040 is an abundant number, since it is smaller than the sum of its proper divisors (335940360).

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

155114040 is an equidigital number, since it uses as much as digits as its factorization.

155114040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 155114040 is about 12454.4787124954. The cubic root of 155114040 is about 537.3002423383.

Adding to 155114040 its reverse (40411551), we get a palindrome (195525591).

The spelling of 155114040 in words is "one hundred fifty-five million, one hundred fourteen thousand, forty".