1344154428 has 36 divisors (see below), whose sum is σ = 3428905480. Its totient is φ = 443939616.

The previous prime is 1344154417. The next prime is 1344154433. The reversal of 1344154428 is 8244514431.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1344154428² = 3613502252624014368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1344154392 and 1344154401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167350 + ... + 175197.

Almost surely, 2^1344154428 is an apocalyptic number.

1344154428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1344154428 is an abundant number, since it is smaller than the sum of its proper divisors (2084751052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1344154428 is a wasteful number, since it uses less digits than its factorization.

1344154428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342666 (or 342661 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 1344154428 is about 36662.7116836712. The cubic root of 1344154428 is about 1103.6119363090.

Adding to 1344154428 its reverse (8244514431), we get a palindrome (9588668859).

The spelling of 1344154428 in words is "one billion, three hundred forty-four million, one hundred fifty-four thousand, four hundred twenty-eight".