7542145 has 32 divisors (see below), whose sum is σ = 10644480. Its totient is φ = 5080320.

The previous prime is 7542133. The next prime is 7542163. The reversal of 7542145 is 5412457.

It is a de Polignac number, because none of the positive numbers 2^k-7542145 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38187 + ... + 38383.

It is an arithmetic number, because the mean of its divisors is an integer number (332640).

Almost surely, 2^7542145 is an apocalyptic number.

It is an amenable number.

7542145 is a deficient number, since it is larger than the sum of its proper divisors (3102335).

7542145 is a wasteful number, since it uses less digits than its factorization.

7542145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265.

The product of its digits is 5600, while the sum is 28.

The square root of 7542145 is about 2746.2965972378. The cubic root of 7542145 is about 196.1093465238.

It can be divided in two parts, 75421 and 45, that added together give a triangular number (75466 = T₃₈₈).

The spelling of 7542145 in words is "seven million, five hundred forty-two thousand, one hundred forty-five".