147154226 has 4 divisors (see below), whose sum is σ = 220731342. Its totient is φ = 73577112.

The previous prime is 147154223. The next prime is 147154237. The reversal of 147154226 is 622451741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622451741 = 1301 ⋅478441.

It can be written as a sum of positive squares in only one way, i.e., 127803025 + 19351201 = 11305^2 + 4399^2 .

It is a junction number, because it is equal to n+sod(n) for n = 147154192 and 147154201.

It is not an unprimeable number, because it can be changed into a prime (147154223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36788555 + ... + 36788558.

Almost surely, 2^147154226 is an apocalyptic number.

147154226 is a deficient number, since it is larger than the sum of its proper divisors (73577116).

147154226 is an equidigital number, since it uses as much as digits as its factorization.

147154226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73577115.

The product of its digits is 13440, while the sum is 32.

The square root of 147154226 is about 12130.7141586965. The cubic root of 147154226 is about 527.9477130079.

The spelling of 147154226 in words is "one hundred forty-seven million, one hundred fifty-four thousand, two hundred twenty-six".