1554751045 has 8 divisors (see below), whose sum is σ = 1930035960. Its totient is φ = 1200911040.

The previous prime is 1554751027. The next prime is 1554751049. The reversal of 1554751045 is 5401574551.

It can be written as a sum of positive squares in 4 ways, for example, as 220017889 + 1334733156 = 14833^2 + 36534^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1554751045 - 2¹¹ = 1554748997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1554750995 and 1554751013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1554751049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5361066 + ... + 5361355.

It is an arithmetic number, because the mean of its divisors is an integer number (241254495).

Almost surely, 2^1554751045 is an apocalyptic number.

It is an amenable number.

1554751045 is a deficient number, since it is larger than the sum of its proper divisors (375284915).

1554751045 is a wasteful number, since it uses less digits than its factorization.

1554751045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10722455.

The product of its (nonzero) digits is 70000, while the sum is 37.

The square root of 1554751045 is about 39430.3315355070. The cubic root of 1554751045 is about 1158.4757638406.

It can be divided in two parts, 155475 and 1045, that added together give a triangular number (156520 = T₅₅₉).

The spelling of 1554751045 in words is "one billion, five hundred fifty-four million, seven hundred fifty-one thousand, forty-five".