745161547 has 8 divisors (see below), whose sum is σ = 819556416. Its totient is φ = 673205952.

The previous prime is 745161541. The next prime is 745161553.

745161547 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (745161541) and next prime (745161553).

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 745161547 - 2¹⁵ = 745128779 is a prime.

It is a super-2 number, since 2×745161547² = 1110531462254866418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745161541) 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, 609178 + ... + 610399.

It is an arithmetic number, because the mean of its divisors is an integer number (102444552).

Almost surely, 2^745161547 is an apocalyptic number.

745161547 is a deficient number, since it is larger than the sum of its proper divisors (74394869).

745161547 is a wasteful number, since it uses less digits than its factorization.

745161547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219637.

The product of its digits is 117600, while the sum is 40.

The square root of 745161547 is about 27297.6472795734. The cubic root of 745161547 is about 906.6022903548.

The spelling of 745161547 in words is "seven hundred forty-five million, one hundred sixty-one thousand, five hundred forty-seven".