151378 has 4 divisors (see below), whose sum is σ = 227070. Its totient is φ = 75688.

The previous prime is 151357. The next prime is 151379. The reversal of 151378 is 873151.

151378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 873151 = 113 ⋅7727.

It can be written as a sum of positive squares in only one way, i.e., 80089 + 71289 = 283^2 + 267^2 .

It is not an unprimeable number, because it can be changed into a prime (151379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37843 + ... + 37846.

2¹⁵¹³⁷⁸ is an apocalyptic number.

151378 is a deficient number, since it is larger than the sum of its proper divisors (75692).

151378 is an equidigital number, since it uses as much as digits as its factorization.

151378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75691.

The product of its digits is 840, while the sum is 25.

The square root of 151378 is about 389.0732578834. The cubic root of 151378 is about 53.2951375824.

It can be divided in two parts, 151 and 378, that added together give a square (529 = 23²).

The spelling of 151378 in words is "one hundred fifty-one thousand, three hundred seventy-eight".