153123345 has 16 divisors (see below), whose sum is σ = 272219520. Its totient is φ = 81665712.

The previous prime is 153123329. The next prime is 153123371. The reversal of 153123345 is 543321351.

153123345 is a `hidden beast` number, since 1 + 5 + 312 + 3 + 345 = 666.

It is not a de Polignac number, because 153123345 - 2⁴ = 153123329 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566989 + ... + 567258.

It is an arithmetic number, because the mean of its divisors is an integer number (17013720).

Almost surely, 2^153123345 is an apocalyptic number.

153123345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

153123345 is a deficient number, since it is larger than the sum of its proper divisors (119096175).

153123345 is a wasteful number, since it uses less digits than its factorization.

153123345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134261 (or 1134255 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 153123345 is about 12374.3017984854. The cubic root of 153123345 is about 534.9918128424.

Adding to 153123345 its reverse (543321351), we get a palindrome (696444696).

The spelling of 153123345 in words is "one hundred fifty-three million, one hundred twenty-three thousand, three hundred forty-five".