751438145 has 16 divisors (see below), whose sum is σ = 912858240. Its totient is φ = 593754624.

The previous prime is 751438133. The next prime is 751438147. The reversal of 751438145 is 541834157.

It is a cyclic number.

It is not a de Polignac number, because 751438145 - 2¹⁰ = 751437121 is a prime.

It is a super-2 number, since 2×751438145² = 1129318571522082050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 751438099 and 751438108.

It is not an unprimeable number, because it can be changed into a prime (751438147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298964 + ... + 301466.

It is an arithmetic number, because the mean of its divisors is an integer number (57053640).

Almost surely, 2^751438145 is an apocalyptic number.

It is an amenable number.

751438145 is a deficient number, since it is larger than the sum of its proper divisors (161420095).

751438145 is a wasteful number, since it uses less digits than its factorization.

751438145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224.

The product of its digits is 67200, while the sum is 38.

The square root of 751438145 is about 27412.3721155248. The cubic root of 751438145 is about 909.1406551551.

The spelling of 751438145 in words is "seven hundred fifty-one million, four hundred thirty-eight thousand, one hundred forty-five".