7542354156 has 24 divisors (see below), whose sum is σ = 17600339904. Its totient is φ = 2513901840.

The previous prime is 7542354109. The next prime is 7542354163. The reversal of 7542354156 is 6514532457.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184611 + ... + 221733.

It is an arithmetic number, because the mean of its divisors is an integer number (733347496).

Almost surely, 2^7542354156 is an apocalyptic number.

It is an amenable number.

7542354156 is an abundant number, since it is smaller than the sum of its proper divisors (10057985748).

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

7542354156 is a wasteful number, since it uses less digits than its factorization.

7542354156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54061 (or 54059 counting only the distinct ones).

The product of its digits is 504000, while the sum is 42.

The square root of 7542354156 is about 86846.7279521802. The cubic root of 7542354156 is about 1961.1115931788. Note that the first 3 decimals are identical.

The spelling of 7542354156 in words is "seven billion, five hundred forty-two million, three hundred fifty-four thousand, one hundred fifty-six".