1010156554 has 16 divisors (see below), whose sum is σ = 1653690816. Its totient is φ = 458965600.

The previous prime is 1010156551. The next prime is 1010156591. The reversal of 1010156554 is 4556510101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1010156551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51174 + ... + 68110.

It is an arithmetic number, because the mean of its divisors is an integer number (103355676).

Almost surely, 2^1010156554 is an apocalyptic number.

1010156554 is a deficient number, since it is larger than the sum of its proper divisors (643534262).

1010156554 is a wasteful number, since it uses less digits than its factorization.

1010156554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19661.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 1010156554 is about 31782.9601201650. The cubic root of 1010156554 is about 1003.3741205064.

Adding to 1010156554 its reverse (4556510101), we get a palindrome (5566666655).

The spelling of 1010156554 in words is "one billion, ten million, one hundred fifty-six thousand, five hundred fifty-four".