145544354 has 4 divisors (see below), whose sum is σ = 218316534. Its totient is φ = 72772176.

The previous prime is 145544309. The next prime is 145544369. The reversal of 145544354 is 453445541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 453445541 = 211 ⋅2149031.

It can be written as a sum of positive squares in only one way, i.e., 113316025 + 32228329 = 10645^2 + 5677^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36386087 + ... + 36386090.

Almost surely, 2^145544354 is an apocalyptic number.

145544354 is a deficient number, since it is larger than the sum of its proper divisors (72772180).

145544354 is an equidigital number, since it uses as much as digits as its factorization.

145544354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72772179.

The product of its digits is 96000, while the sum is 35.

The square root of 145544354 is about 12064.1764741734. The cubic root of 145544354 is about 526.0153942108.

Adding to 145544354 its reverse (453445541), we get a palindrome (598989895).

The spelling of 145544354 in words is "one hundred forty-five million, five hundred forty-four thousand, three hundred fifty-four".