1552945346 has 4 divisors (see below), whose sum is σ = 2329418022. Its totient is φ = 776472672.

The previous prime is 1552945337. The next prime is 1552945351. The reversal of 1552945346 is 6435492551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1551493321 + 1452025 = 39389^2 + 1205^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1552945297 and 1552945306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 388236335 + ... + 388236338.

Almost surely, 2^1552945346 is an apocalyptic number.

1552945346 is a deficient number, since it is larger than the sum of its proper divisors (776472676).

1552945346 is an equidigital number, since it uses as much as digits as its factorization.

1552945346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776472675.

The product of its digits is 648000, while the sum is 44.

The square root of 1552945346 is about 39407.4275486234. The cubic root of 1552945346 is about 1158.0271027530.

The spelling of 1552945346 in words is "one billion, five hundred fifty-two million, nine hundred forty-five thousand, three hundred forty-six".