545423734 has 32 divisors (see below), whose sum is σ = 879503616. Its totient is φ = 253186560.

The previous prime is 545423731. The next prime is 545423761. The reversal of 545423734 is 437324545.

It is a super-2 number, since 2×545423734² = 594974099221005512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 545423693 and 545423702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545423731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165834 + ... + 169090.

It is an arithmetic number, because the mean of its divisors is an integer number (27484488).

Almost surely, 2^545423734 is an apocalyptic number.

545423734 is a deficient number, since it is larger than the sum of its proper divisors (334079882).

545423734 is a wasteful number, since it uses less digits than its factorization.

545423734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400.

The product of its digits is 201600, while the sum is 37.

The square root of 545423734 is about 23354.3086816973. The cubic root of 545423734 is about 817.0425557880.

The spelling of 545423734 in words is "five hundred forty-five million, four hundred twenty-three thousand, seven hundred thirty-four".