1490153146 has 8 divisors (see below), whose sum is σ = 2248150644. Its totient is φ = 740769600.

The previous prime is 1490153129. The next prime is 1490153149. The reversal of 1490153146 is 6413510941.

It can be written as a sum of positive squares in 2 ways, for example, as 1489574025 + 579121 = 38595^2 + 761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×1490153146⁴ (a number of 38 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1490153149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2153055 + ... + 2153746.

Almost surely, 2^1490153146 is an apocalyptic number.

1490153146 is a deficient number, since it is larger than the sum of its proper divisors (757997498).

1490153146 is a wasteful number, since it uses less digits than its factorization.

1490153146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306976.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1490153146 is about 38602.5018101159. The cubic root of 1490153146 is about 1142.2038893804.

The spelling of 1490153146 in words is "one billion, four hundred ninety million, one hundred fifty-three thousand, one hundred forty-six".