153023445 has 16 divisors (see below), whose sum is σ = 272041920. Its totient is φ = 81612432.

The previous prime is 153023419. The next prime is 153023461. The reversal of 153023445 is 544320351.

153023445 is a `hidden beast` number, since 15 + 302 + 344 + 5 = 666.

It is not a de Polignac number, because 153023445 - 2⁵ = 153023413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566619 + ... + 566888.

It is an arithmetic number, because the mean of its divisors is an integer number (17002620).

Almost surely, 2^153023445 is an apocalyptic number.

153023445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

153023445 is a deficient number, since it is larger than the sum of its proper divisors (119018475).

153023445 is a wasteful number, since it uses less digits than its factorization.

153023445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133521 (or 1133515 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 153023445 is about 12370.2645485050. The cubic root of 153023445 is about 534.8754419318.

Adding to 153023445 its reverse (544320351), we get a palindrome (697343796).

The spelling of 153023445 in words is "one hundred fifty-three million, twenty-three thousand, four hundred forty-five".