1514157240 has 64 divisors (see below), whose sum is σ = 4604724000. Its totient is φ = 398241792.

The previous prime is 1514157209. The next prime is 1514157247. The reversal of 1514157240 is 427514151.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1514157198 and 1514157207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1514157247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77665 + ... + 95184.

Almost surely, 2^1514157240 is an apocalyptic number.

1514157240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1514157240 is an abundant number, since it is smaller than the sum of its proper divisors (3090566760).

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

1514157240 is a wasteful number, since it uses less digits than its factorization.

1514157240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172936 (or 172932 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 1514157240 is about 38912.1734165544. The cubic root of 1514157240 is about 1148.3043036658.

The spelling of 1514157240 in words is "one billion, five hundred fourteen million, one hundred fifty-seven thousand, two hundred forty".