1656150145 has 12 divisors (see below), whose sum is σ = 2152016316. Its totient is φ = 1223002560.

The previous prime is 1656150137. The next prime is 1656150151. The reversal of 1656150145 is 5410516561.

It can be written as a sum of positive squares in 6 ways, for example, as 192016449 + 1464133696 = 13857^2 + 38264^2 .

It is not a de Polignac number, because 1656150145 - 2³ = 1656150137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1656150145.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 979126 + ... + 980815.

It is an arithmetic number, because the mean of its divisors is an integer number (179334693).

Almost surely, 2^1656150145 is an apocalyptic number.

It is an amenable number.

1656150145 is a deficient number, since it is larger than the sum of its proper divisors (495866171).

1656150145 is a wasteful number, since it uses less digits than its factorization.

1656150145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959972 (or 1959959 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 1656150145 is about 40695.8246629799. The cubic root of 1656150145 is about 1183.1320948982.

The spelling of 1656150145 in words is "one billion, six hundred fifty-six million, one hundred fifty thousand, one hundred forty-five".