975145919 has 8 divisors (see below), whose sum is σ = 1068484608. Its totient is φ = 882588760.

The previous prime is 975145903. The next prime is 975145931. The reversal of 975145919 is 919541579.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 975145919 - 2⁴ = 975145903 is a prime.

It is a super-2 number, since 2×975145919² = 1901819126684709122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (975145979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192767 + ... + 197760.

It is an arithmetic number, because the mean of its divisors is an integer number (133560576).

Almost surely, 2^975145919 is an apocalyptic number.

975145919 is a deficient number, since it is larger than the sum of its proper divisors (93338689).

975145919 is a wasteful number, since it uses less digits than its factorization.

975145919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390765.

The product of its digits is 510300, while the sum is 50.

The square root of 975145919 is about 31227.3264785828. The cubic root of 975145919 is about 991.6457064735.

The spelling of 975145919 in words is "nine hundred seventy-five million, one hundred forty-five thousand, nine hundred nineteen".