1554155012 has 6 divisors (see below), whose sum is σ = 2719771278. Its totient is φ = 777077504.

The previous prime is 1554154937. The next prime is 1554155017. The reversal of 1554155012 is 2105514551.

It can be written as a sum of positive squares in only one way, i.e., 1306533316 + 247621696 = 36146^2 + 15736^2 .

It is not an unprimeable number, because it can be changed into a prime (1554155017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194269373 + ... + 194269380.

It is an arithmetic number, because the mean of its divisors is an integer number (453295213).

Almost surely, 2^1554155012 is an apocalyptic number.

It is an amenable number.

1554155012 is a deficient number, since it is larger than the sum of its proper divisors (1165616266).

1554155012 is a wasteful number, since it uses less digits than its factorization.

1554155012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388538757 (or 388538755 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 1554155012 is about 39422.7727589017. The cubic root of 1554155012 is about 1158.3277062589.

Adding to 1554155012 its reverse (2105514551), we get a palindrome (3659669563).

The spelling of 1554155012 in words is "one billion, five hundred fifty-four million, one hundred fifty-five thousand, twelve".