155407014 has 48 divisors (see below), whose sum is σ = 388447488. Its totient is φ = 43983216.

The previous prime is 155407009. The next prime is 155407019. The reversal of 155407014 is 410704551.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (155407009) and next prime (155407019).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155407019) 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, 7719 + ... + 19245.

It is an arithmetic number, because the mean of its divisors is an integer number (8092656).

Almost surely, 2^155407014 is an apocalyptic number.

155407014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 155407014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194223744).

155407014 is an abundant number, since it is smaller than the sum of its proper divisors (233040474).

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

155407014 is a wasteful number, since it uses less digits than its factorization.

155407014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11649 (or 11646 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 155407014 is about 12466.2349568745. The cubic root of 155407014 is about 537.6383075846.

The spelling of 155407014 in words is "one hundred fifty-five million, four hundred seven thousand, fourteen".