1048957945 has 24 divisors (see below), whose sum is σ = 1465952904. Its totient is φ = 718454016.

The previous prime is 1048957933. The next prime is 1048957957. The reversal of 1048957945 is 5497598401.

It is an interprime number because it is at equal distance from previous prime (1048957933) and next prime (1048957957).

It can be written as a sum of positive squares in 4 ways, for example, as 13920361 + 1035037584 = 3731^2 + 32172^2 .

It is not a de Polignac number, because 1048957945 - 2¹⁷ = 1048826873 is a prime.

It is a super-2 number, since 2×1048957945² = 2200625540757246050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1048957892 and 1048957901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271749 + ... + 275581.

It is an arithmetic number, because the mean of its divisors is an integer number (61081371).

Almost surely, 2^1048957945 is an apocalyptic number.

It is an amenable number.

1048957945 is a deficient number, since it is larger than the sum of its proper divisors (416994959).

1048957945 is a wasteful number, since it uses less digits than its factorization.

1048957945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4969 (or 4962 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 52.

The square root of 1048957945 is about 32387.6202429262. The cubic root of 1048957945 is about 1016.0600103150.

It can be divided in two parts, 104 and 8957945, that added together give a square (8958049 = 2993²).

The spelling of 1048957945 in words is "one billion, forty-eight million, nine hundred fifty-seven thousand, nine hundred forty-five".