1761489045 has 16 divisors (see below), whose sum is σ = 3131536320. Its totient is φ = 939460752.

The previous prime is 1761489013. The next prime is 1761489053. The reversal of 1761489045 is 5409841671.

1761489045 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1761489045 - 2⁵ = 1761489013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6523899 + ... + 6524168.

It is an arithmetic number, because the mean of its divisors is an integer number (195721020).

Almost surely, 2^1761489045 is an apocalyptic number.

1761489045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1761489045 is a deficient number, since it is larger than the sum of its proper divisors (1370047275).

1761489045 is a wasteful number, since it uses less digits than its factorization.

1761489045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13048081 (or 13048075 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 1761489045 is about 41970.0970334833. The cubic root of 1761489045 is about 1207.7025469417.

It can be divided in two parts, 176148 and 9045, that added together give a cube (185193 = 57³).

The spelling of 1761489045 in words is "one billion, seven hundred sixty-one million, four hundred eighty-nine thousand, forty-five".