151053421 has 4 divisors (see below), whose sum is σ = 155926144. Its totient is φ = 146180700.

The previous prime is 151053403. The next prime is 151053433. The reversal of 151053421 is 124350151.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 151053421 - 2¹⁹ = 150529133 is a prime.

It is a super-5 number, since 5×151053421⁵ (a number of 42 digits) contains 55555 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151053392 and 151053401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151053481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2436315 + ... + 2436376.

It is an arithmetic number, because the mean of its divisors is an integer number (38981536).

Almost surely, 2^151053421 is an apocalyptic number.

It is an amenable number.

151053421 is a deficient number, since it is larger than the sum of its proper divisors (4872723).

151053421 is an equidigital number, since it uses as much as digits as its factorization.

151053421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4872722.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 151053421 is about 12290.3792048903. The cubic root of 151053421 is about 532.5701918390.

The spelling of 151053421 in words is "one hundred fifty-one million, fifty-three thousand, four hundred twenty-one".