153849945 has 8 divisors (see below), whose sum is σ = 246159936. Its totient is φ = 82053296.

The previous prime is 153849929. The next prime is 153849961. The reversal of 153849945 is 549948351.

It is an interprime number because it is at equal distance from previous prime (153849929) and next prime (153849961).

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 153849945 - 2⁴ = 153849929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 153849894 and 153849903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5128317 + ... + 5128346.

It is an arithmetic number, because the mean of its divisors is an integer number (30769992).

Almost surely, 2^153849945 is an apocalyptic number.

153849945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

153849945 is a deficient number, since it is larger than the sum of its proper divisors (92309991).

153849945 is a wasteful number, since it uses less digits than its factorization.

153849945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10256671.

The product of its digits is 777600, while the sum is 48.

The square root of 153849945 is about 12403.6262842767. The cubic root of 153849945 is about 535.8366912167.

The spelling of 153849945 in words is "one hundred fifty-three million, eight hundred forty-nine thousand, nine hundred forty-five".