1532354645 has 32 divisors (see below), whose sum is σ = 1990379520. Its totient is φ = 1129201920.

The previous prime is 1532354641. The next prime is 1532354671. The reversal of 1532354645 is 5464532351.

It is not a de Polignac number, because 1532354645 - 2² = 1532354641 is a prime.

It is a super-2 number, since 2×1532354645² = 4696221516106152050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1532354599 and 1532354608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1532354641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 815447 + ... + 817323.

It is an arithmetic number, because the mean of its divisors is an integer number (62199360).

Almost surely, 2^1532354645 is an apocalyptic number.

It is an amenable number.

1532354645 is a deficient number, since it is larger than the sum of its proper divisors (458024875).

1532354645 is a wasteful number, since it uses less digits than its factorization.

1532354645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165.

The product of its digits is 216000, while the sum is 38.

The square root of 1532354645 is about 39145.3016976495. The cubic root of 1532354645 is about 1152.8861707678.

Adding to 1532354645 its reverse (5464532351), we get a palindrome (6996886996).

The spelling of 1532354645 in words is "one billion, five hundred thirty-two million, three hundred fifty-four thousand, six hundred forty-five".