151405501 has 8 divisors (see below), whose sum is σ = 163215360. Its totient is φ = 139618992.

The previous prime is 151405489. The next prime is 151405511. The reversal of 151405501 is 105504151.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 151405501 - 2¹⁷ = 151274429 is a prime.

It is a super-2 number, since 2×151405501² = 45847251466122002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151405511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9060 + ... + 19618.

It is an arithmetic number, because the mean of its divisors is an integer number (20401920).

Almost surely, 2^151405501 is an apocalyptic number.

It is an amenable number.

151405501 is a deficient number, since it is larger than the sum of its proper divisors (11809859).

151405501 is a wasteful number, since it uses less digits than its factorization.

151405501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11675.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 151405501 is about 12304.6942668235. The cubic root of 151405501 is about 532.9836478151.

Adding to 151405501 its reverse (105504151), we get a palindrome (256909652).

The spelling of 151405501 in words is "one hundred fifty-one million, four hundred five thousand, five hundred one".