1461155450 has 24 divisors (see below), whose sum is σ = 2725188672. Its totient is φ = 582862320.

The previous prime is 1461155359. The next prime is 1461155467. The reversal of 1461155450 is 545511641.

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 11 ways as a sum of consecutive naturals, for example, 21464 + ... + 58163.

It is an arithmetic number, because the mean of its divisors is an integer number (113549528).

Almost surely, 2^1461155450 is an apocalyptic number.

1461155450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1461155450 is a deficient number, since it is larger than the sum of its proper divisors (1264033222).

1461155450 is a wasteful number, since it uses less digits than its factorization.

1461155450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80006 (or 80001 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 1461155450 is about 38225.0631130937. The cubic root of 1461155450 is about 1134.7463838493.

The spelling of 1461155450 in words is "one billion, four hundred sixty-one million, one hundred fifty-five thousand, four hundred fifty".