151461 has 6 divisors (see below), whose sum is σ = 218790. Its totient is φ = 100968.

The previous prime is 151451. The next prime is 151471. The reversal of 151461 is 164151.

It is an interprime number because it is at equal distance from previous prime (151451) and next prime (151471).

It can be written as a sum of positive squares in only one way, i.e., 86436 + 65025 = 294^2 + 255^2 .

It is not a de Polignac number, because 151461 - 2⁵ = 151429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8406 + ... + 8423.

It is an arithmetic number, because the mean of its divisors is an integer number (36465).

2¹⁵¹⁴⁶¹ is an apocalyptic number.

It is an amenable number.

151461 is a deficient number, since it is larger than the sum of its proper divisors (67329).

151461 is a wasteful number, since it uses less digits than its factorization.

151461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16835 (or 16832 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 151461 is about 389.1799069839. The cubic root of 151461 is about 53.3048763120.

The spelling of 151461 in words is "one hundred fifty-one thousand, four hundred sixty-one".