151541421 has 8 divisors (see below), whose sum is σ = 202295520. Its totient is φ = 100907472.

The previous prime is 151541413. The next prime is 151541431. The reversal of 151541421 is 124145151.

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

It is not a de Polignac number, because 151541421 - 2³ = 151541413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 151541391 and 151541400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151541431) 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, 27051 + ... + 32168.

It is an arithmetic number, because the mean of its divisors is an integer number (25286940).

Almost surely, 2^151541421 is an apocalyptic number.

It is an amenable number.

151541421 is a deficient number, since it is larger than the sum of its proper divisors (50754099).

151541421 is an equidigital number, since it uses as much as digits as its factorization.

151541421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60075.

The product of its digits is 800, while the sum is 24.

The square root of 151541421 is about 12310.2161232043. The cubic root of 151541421 is about 533.1430904373.

Adding to 151541421 its reverse (124145151), we get a palindrome (275686572).

The spelling of 151541421 in words is "one hundred fifty-one million, five hundred forty-one thousand, four hundred twenty-one".