1148970454 has 16 divisors (see below), whose sum is σ = 1730520000. Its totient is φ = 572136264.

The previous prime is 1148970379. The next prime is 1148970457. The reversal of 1148970454 is 4540798411.

It is a super-2 number, since 2×1148970454² = 2640266208329932232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1148970454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148970457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656809 + ... + 658555.

It is an arithmetic number, because the mean of its divisors is an integer number (108157500).

Almost surely, 2^1148970454 is an apocalyptic number.

1148970454 is a deficient number, since it is larger than the sum of its proper divisors (581549546).

1148970454 is a wasteful number, since it uses less digits than its factorization.

1148970454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 1148970454 is about 33896.4666890223. The cubic root of 1148970454 is about 1047.3768092189.

The spelling of 1148970454 in words is "one billion, one hundred forty-eight million, nine hundred seventy thousand, four hundred fifty-four".