1332155554 has 4 divisors (see below), whose sum is σ = 1998233334. Its totient is φ = 666077776.

The previous prime is 1332155549. The next prime is 1332155557. The reversal of 1332155554 is 4555512331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4555512331 = 683 ⋅6669857.

It can be written as a sum of positive squares in only one way, i.e., 690901225 + 641254329 = 26285^2 + 25323^2 .

It is not an unprimeable number, because it can be changed into a prime (1332155557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333038887 + ... + 333038890.

Almost surely, 2^1332155554 is an apocalyptic number.

1332155554 is a deficient number, since it is larger than the sum of its proper divisors (666077780).

1332155554 is an equidigital number, since it uses as much as digits as its factorization.

1332155554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666077779.

The product of its digits is 45000, while the sum is 34.

The square root of 1332155554 is about 36498.7061962476. The cubic root of 1332155554 is about 1100.3182423553.

Adding to 1332155554 its reverse (4555512331), we get a palindrome (5887667885).

The spelling of 1332155554 in words is "one billion, three hundred thirty-two million, one hundred fifty-five thousand, five hundred fifty-four".