151261330 has 16 divisors (see below), whose sum is σ = 297022464. Its totient is φ = 55004080.

The previous prime is 151261301. The next prime is 151261343. The reversal of 151261330 is 33162151.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687442 + ... + 687661.

It is an arithmetic number, because the mean of its divisors is an integer number (18563904).

Almost surely, 2^151261330 is an apocalyptic number.

151261330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151261330 is a deficient number, since it is larger than the sum of its proper divisors (145761134).

151261330 is a wasteful number, since it uses less digits than its factorization.

151261330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375121.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 151261330 is about 12298.8344976262. The cubic root of 151261330 is about 532.8144219336.

The spelling of 151261330 in words is "one hundred fifty-one million, two hundred sixty-one thousand, three hundred thirty".